Home / 369,112.80-553,669.20-362,114.40

Finding the Fourth Proportional to 369,112.80, 553,669.20 and 362,114.40

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Solution

The fourth proportional to 369,112.80, 553,669.20 and 362,114.40 is: 543,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,112.80 : 553,669.20 = 362,114.40 : x
  2. Step 2: Convert to fraction form
    369,112.80/553,669.20 = 362,114.40/x
  3. Step 3: Cross multiply
    369,112.80x = 553,669.20 × 362,114.40
  4. Step 4: Simplify right side
    369,112.80x = 200,491,590,156.48
  5. Step 5: Solve for x
    x = 200,491,590,156.48/369,112.80
  6. Step 6: Final answer
    x = 543,171.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.